In stdlib, all existing pure functions are asm-implemented.
But since we introduced a `pure` keyword applicable to user-defined functions,
we need to check that they won't have any side effects
(exceptions, globals modification, etc.)
* Fix UB in func
* Improve optimizing int consts and unused variables in FunC
* Bump funC version to 0.4.3
* Fix analyzing repeat loop
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Co-authored-by: SpyCheese <mikle98@yandex.ru>
* Add special string literals "..."? (s,a,u,h,)
* Add string literal H (256-bit hash)
* Add string literal c (crc32)
* Use td::hex_encode instead of homebrew function and add test
* Fix error codes and use more generic address
* Add support for int and slice constants
* Add support for strongly typed constants
* Add support for precompiled constant expressions (hard!)
Co-authored-by: starlightduck <starlightduck@gmail.com>
